Atomically Dispersed Fe Motif‐based Electrocatalysts for Hydrogen Peroxide Synthesis

Author:

Zuo Sijin1ORCID,Xue Wendan2,Zhang Yinqiao1,Chen Jianqiu1,Lin Zhiqun3ORCID

Affiliation:

1. State of Key Laboratory of Natural Medicines School of Engineering China Pharmaceutical University Nanjing 210009 PR China

2. Department of Chemistry Tsinghua University Beijing 100084 PR China

3. Department of Chemical and Biomolecular Engineering National University of Singapore Singapore 117585 Singapore

Abstract

AbstractThe cathodic two‐electron (2e) oxygen reduction reaction (ORR) has garnered much attention for electrosynthesis of hydrogen peroxide (H2O2). The transition metal single‐atom catalysts (SACs) with tunable geometry structure and electron layout have displayed promising potential in this process. Notably, atomically dispersed Fe−based electrocatalysts have been recognized as high‐activity yet poor‐selectivity catalysts in 2e ORR due to the high binding energy with the intermediates to break the peroxy bond into H2O. In this Concept, we briefly review the Fe SAC in 2e ORR for H2O2 production by introducing their fundamental mechanism, chemical process, experimental advancements, and practical applications. The issues encountered and corresponding suggestions are discussed. The customized and tailored isolated Fe motif could fulfill the high activity, selectivity and stability system for H2O2 synthesis.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Jiangsu Province

Publisher

Wiley

Subject

Materials Chemistry,Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Biomaterials

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